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9pfs: use coroutine_fn annotation in hw/9pfs/co*.[ch]

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All these functions use the v9fs_co_run_in_worker() macro, and thus always
call qemu_coroutine_self() and qemu_coroutine_yield().

Let's mark them to make it obvious they execute in coroutine context.

Signed-off-by: Greg Kurz <groug@kaod.org>
This commit is contained in:
Greg Kurz 2016-10-17 14:13:58 +02:00
parent bc70a5925f
commit 5bdade6621
5 changed files with 109 additions and 95 deletions
Download patch file Download diff file Expand all files Collapse all files

43
hw/9pfs/cofs.c
View file

@ -49,7 +49,7 @@ static ssize_t __readlink(V9fsState *s, V9fsPath *path, V9fsString *buf)
return len;
}
int v9fs_co_readlink(V9fsPDU *pdu, V9fsPath *path, V9fsString *buf)
int coroutine_fn v9fs_co_readlink(V9fsPDU *pdu, V9fsPath *path, V9fsString *buf)
{
int err;
V9fsState *s = pdu->s;
@ -69,7 +69,8 @@ int v9fs_co_readlink(V9fsPDU *pdu, V9fsPath *path, V9fsString *buf)
return err;
}
int v9fs_co_statfs(V9fsPDU *pdu, V9fsPath *path, struct statfs *stbuf)
int coroutine_fn v9fs_co_statfs(V9fsPDU *pdu, V9fsPath *path,
struct statfs *stbuf)
{
int err;
V9fsState *s = pdu->s;
@ -89,7 +90,7 @@ int v9fs_co_statfs(V9fsPDU *pdu, V9fsPath *path, struct statfs *stbuf)
return err;
}
int v9fs_co_chmod(V9fsPDU *pdu, V9fsPath *path, mode_t mode)
int coroutine_fn v9fs_co_chmod(V9fsPDU *pdu, V9fsPath *path, mode_t mode)
{
int err;
FsCred cred;
@ -112,8 +113,8 @@ int v9fs_co_chmod(V9fsPDU *pdu, V9fsPath *path, mode_t mode)
return err;
}
int v9fs_co_utimensat(V9fsPDU *pdu, V9fsPath *path,
struct timespec times[2])
int coroutine_fn v9fs_co_utimensat(V9fsPDU *pdu, V9fsPath *path,
struct timespec times[2])
{
int err;
V9fsState *s = pdu->s;
@ -133,7 +134,8 @@ int v9fs_co_utimensat(V9fsPDU *pdu, V9fsPath *path,
return err;
}
int v9fs_co_chown(V9fsPDU *pdu, V9fsPath *path, uid_t uid, gid_t gid)
int coroutine_fn v9fs_co_chown(V9fsPDU *pdu, V9fsPath *path, uid_t uid,
gid_t gid)
{
int err;
FsCred cred;
@ -157,7 +159,7 @@ int v9fs_co_chown(V9fsPDU *pdu, V9fsPath *path, uid_t uid, gid_t gid)
return err;
}
int v9fs_co_truncate(V9fsPDU *pdu, V9fsPath *path, off_t size)
int coroutine_fn v9fs_co_truncate(V9fsPDU *pdu, V9fsPath *path, off_t size)
{
int err;
V9fsState *s = pdu->s;
@ -177,8 +179,9 @@ int v9fs_co_truncate(V9fsPDU *pdu, V9fsPath *path, off_t size)
return err;
}
int v9fs_co_mknod(V9fsPDU *pdu, V9fsFidState *fidp, V9fsString *name, uid_t uid,
gid_t gid, dev_t dev, mode_t mode, struct stat *stbuf)
int coroutine_fn v9fs_co_mknod(V9fsPDU *pdu, V9fsFidState *fidp,
V9fsString *name, uid_t uid, gid_t gid,
dev_t dev, mode_t mode, struct stat *stbuf)
{
int err;
V9fsPath path;
@ -216,7 +219,7 @@ int v9fs_co_mknod(V9fsPDU *pdu, V9fsFidState *fidp, V9fsString *name, uid_t uid,
}
/* Only works with path name based fid */
int v9fs_co_remove(V9fsPDU *pdu, V9fsPath *path)
int coroutine_fn v9fs_co_remove(V9fsPDU *pdu, V9fsPath *path)
{
int err;
V9fsState *s = pdu->s;
@ -236,7 +239,8 @@ int v9fs_co_remove(V9fsPDU *pdu, V9fsPath *path)
return err;
}
int v9fs_co_unlinkat(V9fsPDU *pdu, V9fsPath *path, V9fsString *name, int flags)
int coroutine_fn v9fs_co_unlinkat(V9fsPDU *pdu, V9fsPath *path,
V9fsString *name, int flags)
{
int err;
V9fsState *s = pdu->s;
@ -257,7 +261,8 @@ int v9fs_co_unlinkat(V9fsPDU *pdu, V9fsPath *path, V9fsString *name, int flags)
}
/* Only work with path name based fid */
int v9fs_co_rename(V9fsPDU *pdu, V9fsPath *oldpath, V9fsPath *newpath)
int coroutine_fn v9fs_co_rename(V9fsPDU *pdu, V9fsPath *oldpath,
V9fsPath *newpath)
{
int err;
V9fsState *s = pdu->s;
@ -275,8 +280,9 @@ int v9fs_co_rename(V9fsPDU *pdu, V9fsPath *oldpath, V9fsPath *newpath)
return err;
}
int v9fs_co_renameat(V9fsPDU *pdu, V9fsPath *olddirpath, V9fsString *oldname,
V9fsPath *newdirpath, V9fsString *newname)
int coroutine_fn v9fs_co_renameat(V9fsPDU *pdu, V9fsPath *olddirpath,
V9fsString *oldname, V9fsPath *newdirpath,
V9fsString *newname)
{
int err;
V9fsState *s = pdu->s;
@ -295,8 +301,9 @@ int v9fs_co_renameat(V9fsPDU *pdu, V9fsPath *olddirpath, V9fsString *oldname,
return err;
}
int v9fs_co_symlink(V9fsPDU *pdu, V9fsFidState *dfidp, V9fsString *name,
const char *oldpath, gid_t gid, struct stat *stbuf)
int coroutine_fn v9fs_co_symlink(V9fsPDU *pdu, V9fsFidState *dfidp,
V9fsString *name, const char *oldpath,
gid_t gid, struct stat *stbuf)
{
int err;
FsCred cred;
@ -337,8 +344,8 @@ int v9fs_co_symlink(V9fsPDU *pdu, V9fsFidState *dfidp, V9fsString *name,
* For path name based fid we don't block. So we can
* directly call the fs driver ops.
*/
int v9fs_co_name_to_path(V9fsPDU *pdu, V9fsPath *dirpath,
const char *name, V9fsPath *path)
int coroutine_fn v9fs_co_name_to_path(V9fsPDU *pdu, V9fsPath *dirpath,
const char *name, V9fsPath *path)
{
int err;
V9fsState *s = pdu->s;